sweet in the pants
adj.— «I’m almost certain that one of them…was actually transgendered. (Lentz might disagree with me on this, but he’s naturally a bit sweet in the pants, so there you go.)» —“To is a preposition, come is a verb, Part II” by Cowboy Sally Number One Hit Song (New York City) May 30, 2006. (source: Double-Tongued Dictionary)